The safety layer: two presses for anything you cannot take back

Claude-Session: https://claude.ai/code/session_01Ms2FbjQy31TVf3CEvQhGM8

config/dot/quickshell/modules/settings/SettingsButton.qml

@@ -17,6 +17,31 @@ Rectangle {
     implicitHeight: 31
     radius: 9
     opacity: enabled ? 1 : 0.45
+
+    // The keyboard half of this component's own contract. Eleven files used
+    // to bolt these on by hand while the other hundred-odd instantiations --
+    // including every confirming button in every destructive flow -- were
+    // pointer-only. The button carries them itself now, so a consumer cannot
+    // forget them.
+    activeFocusOnTab: root.enabled
+    Accessible.role: Accessible.Button
+    Accessible.name: root.text
+    Accessible.focusable: root.enabled
+    Accessible.focused: root.activeFocus
+    Accessible.onPressAction: root.clicked()
+    Keys.onReturnPressed: root.clicked()
+    Keys.onEnterPressed: root.clicked()
+    Keys.onSpacePressed: root.clicked()
+
+    Rectangle {
+        anchors.fill: parent
+        anchors.margins: -3
+        radius: parent.radius + 3
+        visible: root.activeFocus
+        color: "transparent"
+        border.width: 2
+        border.color: Theme.accentSecondary
+    }
     color: {
         if (tone === "accent")
             return mouse.containsMouse ? Theme.mix(Theme.accent, Theme.fg, 0.12) : Theme.accent;